1use anyhow::{Context as _, Result, anyhow};
2use collections::HashMap;
3use credentials_provider::CredentialsProvider;
4use editor::{Editor, EditorElement, EditorStyle};
5use futures::{FutureExt, Stream, StreamExt, future::BoxFuture};
6use gpui::{
7 AnyView, App, AsyncApp, Context, Entity, FontStyle, Subscription, Task, TextStyle, WhiteSpace,
8};
9use http_client::HttpClient;
10use language_model::{
11 AuthenticateError, LanguageModel, LanguageModelCompletionError, LanguageModelCompletionEvent,
12 LanguageModelId, LanguageModelName, LanguageModelProvider, LanguageModelProviderId,
13 LanguageModelProviderName, LanguageModelProviderState, LanguageModelRequest,
14 LanguageModelToolChoice, LanguageModelToolResultContent, LanguageModelToolUse, MessageContent,
15 RateLimiter, Role, StopReason,
16};
17use open_router::{Model, ResponseStreamEvent, list_models, stream_completion};
18use schemars::JsonSchema;
19use serde::{Deserialize, Serialize};
20use settings::{Settings, SettingsStore};
21use std::pin::Pin;
22use std::str::FromStr as _;
23use std::sync::Arc;
24use theme::ThemeSettings;
25use ui::{Icon, IconName, List, Tooltip, prelude::*};
26use util::ResultExt;
27
28use crate::{AllLanguageModelSettings, ui::InstructionListItem};
29
30const PROVIDER_ID: &str = "openrouter";
31const PROVIDER_NAME: &str = "OpenRouter";
32
33#[derive(Default, Clone, Debug, PartialEq)]
34pub struct OpenRouterSettings {
35 pub api_url: String,
36 pub available_models: Vec<AvailableModel>,
37}
38
39#[derive(Clone, Debug, PartialEq, Serialize, Deserialize, JsonSchema)]
40pub struct AvailableModel {
41 pub name: String,
42 pub display_name: Option<String>,
43 pub max_tokens: usize,
44 pub max_output_tokens: Option<u32>,
45 pub max_completion_tokens: Option<u32>,
46 pub supports_tools: Option<bool>,
47 pub supports_images: Option<bool>,
48}
49
50pub struct OpenRouterLanguageModelProvider {
51 http_client: Arc<dyn HttpClient>,
52 state: gpui::Entity<State>,
53}
54
55pub struct State {
56 api_key: Option<String>,
57 api_key_from_env: bool,
58 http_client: Arc<dyn HttpClient>,
59 available_models: Vec<open_router::Model>,
60 fetch_models_task: Option<Task<Result<()>>>,
61 _subscription: Subscription,
62}
63
64const OPENROUTER_API_KEY_VAR: &str = "OPENROUTER_API_KEY";
65
66impl State {
67 fn is_authenticated(&self) -> bool {
68 self.api_key.is_some()
69 }
70
71 fn reset_api_key(&self, cx: &mut Context<Self>) -> Task<Result<()>> {
72 let credentials_provider = <dyn CredentialsProvider>::global(cx);
73 let api_url = AllLanguageModelSettings::get_global(cx)
74 .open_router
75 .api_url
76 .clone();
77 cx.spawn(async move |this, cx| {
78 credentials_provider
79 .delete_credentials(&api_url, &cx)
80 .await
81 .log_err();
82 this.update(cx, |this, cx| {
83 this.api_key = None;
84 this.api_key_from_env = false;
85 cx.notify();
86 })
87 })
88 }
89
90 fn set_api_key(&mut self, api_key: String, cx: &mut Context<Self>) -> Task<Result<()>> {
91 let credentials_provider = <dyn CredentialsProvider>::global(cx);
92 let api_url = AllLanguageModelSettings::get_global(cx)
93 .open_router
94 .api_url
95 .clone();
96 cx.spawn(async move |this, cx| {
97 credentials_provider
98 .write_credentials(&api_url, "Bearer", api_key.as_bytes(), &cx)
99 .await
100 .log_err();
101 this.update(cx, |this, cx| {
102 this.api_key = Some(api_key);
103 cx.notify();
104 })
105 })
106 }
107
108 fn authenticate(&self, cx: &mut Context<Self>) -> Task<Result<(), AuthenticateError>> {
109 if self.is_authenticated() {
110 return Task::ready(Ok(()));
111 }
112
113 let credentials_provider = <dyn CredentialsProvider>::global(cx);
114 let api_url = AllLanguageModelSettings::get_global(cx)
115 .open_router
116 .api_url
117 .clone();
118 cx.spawn(async move |this, cx| {
119 let (api_key, from_env) = if let Ok(api_key) = std::env::var(OPENROUTER_API_KEY_VAR) {
120 (api_key, true)
121 } else {
122 let (_, api_key) = credentials_provider
123 .read_credentials(&api_url, &cx)
124 .await?
125 .ok_or(AuthenticateError::CredentialsNotFound)?;
126 (
127 String::from_utf8(api_key)
128 .context(format!("invalid {} API key", PROVIDER_NAME))?,
129 false,
130 )
131 };
132 this.update(cx, |this, cx| {
133 this.api_key = Some(api_key);
134 this.api_key_from_env = from_env;
135 cx.notify();
136 })?;
137
138 Ok(())
139 })
140 }
141
142 fn fetch_models(&mut self, cx: &mut Context<Self>) -> Task<Result<()>> {
143 let settings = &AllLanguageModelSettings::get_global(cx).open_router;
144 let http_client = self.http_client.clone();
145 let api_url = settings.api_url.clone();
146
147 cx.spawn(async move |this, cx| {
148 let models = list_models(http_client.as_ref(), &api_url).await?;
149
150 this.update(cx, |this, cx| {
151 this.available_models = models;
152 cx.notify();
153 })
154 })
155 }
156
157 fn restart_fetch_models_task(&mut self, cx: &mut Context<Self>) {
158 let task = self.fetch_models(cx);
159 self.fetch_models_task.replace(task);
160 }
161}
162
163impl OpenRouterLanguageModelProvider {
164 pub fn new(http_client: Arc<dyn HttpClient>, cx: &mut App) -> Self {
165 let state = cx.new(|cx| State {
166 api_key: None,
167 api_key_from_env: false,
168 http_client: http_client.clone(),
169 available_models: Vec::new(),
170 fetch_models_task: None,
171 _subscription: cx.observe_global::<SettingsStore>(|this: &mut State, cx| {
172 this.restart_fetch_models_task(cx);
173 cx.notify();
174 }),
175 });
176
177 Self { http_client, state }
178 }
179
180 fn create_language_model(&self, model: open_router::Model) -> Arc<dyn LanguageModel> {
181 Arc::new(OpenRouterLanguageModel {
182 id: LanguageModelId::from(model.id().to_string()),
183 model,
184 state: self.state.clone(),
185 http_client: self.http_client.clone(),
186 request_limiter: RateLimiter::new(4),
187 })
188 }
189}
190
191impl LanguageModelProviderState for OpenRouterLanguageModelProvider {
192 type ObservableEntity = State;
193
194 fn observable_entity(&self) -> Option<gpui::Entity<Self::ObservableEntity>> {
195 Some(self.state.clone())
196 }
197}
198
199impl LanguageModelProvider for OpenRouterLanguageModelProvider {
200 fn id(&self) -> LanguageModelProviderId {
201 LanguageModelProviderId(PROVIDER_ID.into())
202 }
203
204 fn name(&self) -> LanguageModelProviderName {
205 LanguageModelProviderName(PROVIDER_NAME.into())
206 }
207
208 fn icon(&self) -> IconName {
209 IconName::AiOpenRouter
210 }
211
212 fn default_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
213 Some(self.create_language_model(open_router::Model::default()))
214 }
215
216 fn default_fast_model(&self, _cx: &App) -> Option<Arc<dyn LanguageModel>> {
217 Some(self.create_language_model(open_router::Model::default_fast()))
218 }
219
220 fn provided_models(&self, cx: &App) -> Vec<Arc<dyn LanguageModel>> {
221 let mut models_from_api = self.state.read(cx).available_models.clone();
222 let mut settings_models = Vec::new();
223
224 for model in &AllLanguageModelSettings::get_global(cx)
225 .open_router
226 .available_models
227 {
228 settings_models.push(open_router::Model {
229 name: model.name.clone(),
230 display_name: model.display_name.clone(),
231 max_tokens: model.max_tokens,
232 supports_tools: model.supports_tools,
233 supports_images: model.supports_images,
234 });
235 }
236
237 for settings_model in &settings_models {
238 if let Some(pos) = models_from_api
239 .iter()
240 .position(|m| m.name == settings_model.name)
241 {
242 models_from_api[pos] = settings_model.clone();
243 } else {
244 models_from_api.push(settings_model.clone());
245 }
246 }
247
248 models_from_api
249 .into_iter()
250 .map(|model| self.create_language_model(model))
251 .collect()
252 }
253
254 fn is_authenticated(&self, cx: &App) -> bool {
255 self.state.read(cx).is_authenticated()
256 }
257
258 fn authenticate(&self, cx: &mut App) -> Task<Result<(), AuthenticateError>> {
259 self.state.update(cx, |state, cx| state.authenticate(cx))
260 }
261
262 fn configuration_view(&self, window: &mut Window, cx: &mut App) -> AnyView {
263 cx.new(|cx| ConfigurationView::new(self.state.clone(), window, cx))
264 .into()
265 }
266
267 fn reset_credentials(&self, cx: &mut App) -> Task<Result<()>> {
268 self.state.update(cx, |state, cx| state.reset_api_key(cx))
269 }
270}
271
272pub struct OpenRouterLanguageModel {
273 id: LanguageModelId,
274 model: open_router::Model,
275 state: gpui::Entity<State>,
276 http_client: Arc<dyn HttpClient>,
277 request_limiter: RateLimiter,
278}
279
280impl OpenRouterLanguageModel {
281 fn stream_completion(
282 &self,
283 request: open_router::Request,
284 cx: &AsyncApp,
285 ) -> BoxFuture<'static, Result<futures::stream::BoxStream<'static, Result<ResponseStreamEvent>>>>
286 {
287 let http_client = self.http_client.clone();
288 let Ok((api_key, api_url)) = cx.read_entity(&self.state, |state, cx| {
289 let settings = &AllLanguageModelSettings::get_global(cx).open_router;
290 (state.api_key.clone(), settings.api_url.clone())
291 }) else {
292 return futures::future::ready(Err(anyhow!(
293 "App state dropped: Unable to read API key or API URL from the application state"
294 )))
295 .boxed();
296 };
297
298 let future = self.request_limiter.stream(async move {
299 let api_key = api_key.ok_or_else(|| anyhow!("Missing OpenRouter API Key"))?;
300 let request = stream_completion(http_client.as_ref(), &api_url, &api_key, request);
301 let response = request.await?;
302 Ok(response)
303 });
304
305 async move { Ok(future.await?.boxed()) }.boxed()
306 }
307}
308
309impl LanguageModel for OpenRouterLanguageModel {
310 fn id(&self) -> LanguageModelId {
311 self.id.clone()
312 }
313
314 fn name(&self) -> LanguageModelName {
315 LanguageModelName::from(self.model.display_name().to_string())
316 }
317
318 fn provider_id(&self) -> LanguageModelProviderId {
319 LanguageModelProviderId(PROVIDER_ID.into())
320 }
321
322 fn provider_name(&self) -> LanguageModelProviderName {
323 LanguageModelProviderName(PROVIDER_NAME.into())
324 }
325
326 fn supports_tools(&self) -> bool {
327 self.model.supports_tool_calls()
328 }
329
330 fn telemetry_id(&self) -> String {
331 format!("openrouter/{}", self.model.id())
332 }
333
334 fn max_token_count(&self) -> usize {
335 self.model.max_token_count()
336 }
337
338 fn max_output_tokens(&self) -> Option<u32> {
339 self.model.max_output_tokens()
340 }
341
342 fn supports_tool_choice(&self, choice: LanguageModelToolChoice) -> bool {
343 match choice {
344 LanguageModelToolChoice::Auto => true,
345 LanguageModelToolChoice::Any => true,
346 LanguageModelToolChoice::None => true,
347 }
348 }
349
350 fn supports_images(&self) -> bool {
351 self.model.supports_images.unwrap_or(false)
352 }
353
354 fn count_tokens(
355 &self,
356 request: LanguageModelRequest,
357 cx: &App,
358 ) -> BoxFuture<'static, Result<usize>> {
359 count_open_router_tokens(request, self.model.clone(), cx)
360 }
361
362 fn stream_completion(
363 &self,
364 request: LanguageModelRequest,
365 cx: &AsyncApp,
366 ) -> BoxFuture<
367 'static,
368 Result<
369 futures::stream::BoxStream<
370 'static,
371 Result<LanguageModelCompletionEvent, LanguageModelCompletionError>,
372 >,
373 LanguageModelCompletionError,
374 >,
375 > {
376 let request = into_open_router(request, &self.model, self.max_output_tokens());
377 let completions = self.stream_completion(request, cx);
378 async move {
379 let mapper = OpenRouterEventMapper::new();
380 Ok(mapper.map_stream(completions.await?).boxed())
381 }
382 .boxed()
383 }
384}
385
386pub fn into_open_router(
387 request: LanguageModelRequest,
388 model: &Model,
389 max_output_tokens: Option<u32>,
390) -> open_router::Request {
391 let mut messages = Vec::new();
392 for message in request.messages {
393 for content in message.content {
394 match content {
395 MessageContent::Text(text) | MessageContent::Thinking { text, .. } => {
396 add_message_content_part(
397 open_router::MessagePart::Text { text: text },
398 message.role,
399 &mut messages,
400 )
401 }
402 MessageContent::RedactedThinking(_) => {}
403 MessageContent::Image(image) => {
404 add_message_content_part(
405 open_router::MessagePart::Image {
406 image_url: image.to_base64_url(),
407 },
408 message.role,
409 &mut messages,
410 );
411 }
412 MessageContent::ToolUse(tool_use) => {
413 let tool_call = open_router::ToolCall {
414 id: tool_use.id.to_string(),
415 content: open_router::ToolCallContent::Function {
416 function: open_router::FunctionContent {
417 name: tool_use.name.to_string(),
418 arguments: serde_json::to_string(&tool_use.input)
419 .unwrap_or_default(),
420 },
421 },
422 };
423
424 if let Some(open_router::RequestMessage::Assistant { tool_calls, .. }) =
425 messages.last_mut()
426 {
427 tool_calls.push(tool_call);
428 } else {
429 messages.push(open_router::RequestMessage::Assistant {
430 content: None,
431 tool_calls: vec![tool_call],
432 });
433 }
434 }
435 MessageContent::ToolResult(tool_result) => {
436 let content = match &tool_result.content {
437 LanguageModelToolResultContent::Text(text) => {
438 vec![open_router::MessagePart::Text {
439 text: text.to_string(),
440 }]
441 }
442 LanguageModelToolResultContent::Image(image) => {
443 vec![open_router::MessagePart::Image {
444 image_url: image.to_base64_url(),
445 }]
446 }
447 };
448
449 messages.push(open_router::RequestMessage::Tool {
450 content: content.into(),
451 tool_call_id: tool_result.tool_use_id.to_string(),
452 });
453 }
454 }
455 }
456 }
457
458 open_router::Request {
459 model: model.id().into(),
460 messages,
461 stream: true,
462 stop: request.stop,
463 temperature: request.temperature.unwrap_or(0.4),
464 max_tokens: max_output_tokens,
465 parallel_tool_calls: if model.supports_parallel_tool_calls() && !request.tools.is_empty() {
466 Some(false)
467 } else {
468 None
469 },
470 tools: request
471 .tools
472 .into_iter()
473 .map(|tool| open_router::ToolDefinition::Function {
474 function: open_router::FunctionDefinition {
475 name: tool.name,
476 description: Some(tool.description),
477 parameters: Some(tool.input_schema),
478 },
479 })
480 .collect(),
481 tool_choice: request.tool_choice.map(|choice| match choice {
482 LanguageModelToolChoice::Auto => open_router::ToolChoice::Auto,
483 LanguageModelToolChoice::Any => open_router::ToolChoice::Required,
484 LanguageModelToolChoice::None => open_router::ToolChoice::None,
485 }),
486 }
487}
488
489fn add_message_content_part(
490 new_part: open_router::MessagePart,
491 role: Role,
492 messages: &mut Vec<open_router::RequestMessage>,
493) {
494 match (role, messages.last_mut()) {
495 (Role::User, Some(open_router::RequestMessage::User { content }))
496 | (Role::System, Some(open_router::RequestMessage::System { content })) => {
497 content.push_part(new_part);
498 }
499 (
500 Role::Assistant,
501 Some(open_router::RequestMessage::Assistant {
502 content: Some(content),
503 ..
504 }),
505 ) => {
506 content.push_part(new_part);
507 }
508 _ => {
509 messages.push(match role {
510 Role::User => open_router::RequestMessage::User {
511 content: open_router::MessageContent::from(vec![new_part]),
512 },
513 Role::Assistant => open_router::RequestMessage::Assistant {
514 content: Some(open_router::MessageContent::from(vec![new_part])),
515 tool_calls: Vec::new(),
516 },
517 Role::System => open_router::RequestMessage::System {
518 content: open_router::MessageContent::from(vec![new_part]),
519 },
520 });
521 }
522 }
523}
524
525pub struct OpenRouterEventMapper {
526 tool_calls_by_index: HashMap<usize, RawToolCall>,
527}
528
529impl OpenRouterEventMapper {
530 pub fn new() -> Self {
531 Self {
532 tool_calls_by_index: HashMap::default(),
533 }
534 }
535
536 pub fn map_stream(
537 mut self,
538 events: Pin<Box<dyn Send + Stream<Item = Result<ResponseStreamEvent>>>>,
539 ) -> impl Stream<Item = Result<LanguageModelCompletionEvent, LanguageModelCompletionError>>
540 {
541 events.flat_map(move |event| {
542 futures::stream::iter(match event {
543 Ok(event) => self.map_event(event),
544 Err(error) => vec![Err(LanguageModelCompletionError::Other(anyhow!(error)))],
545 })
546 })
547 }
548
549 pub fn map_event(
550 &mut self,
551 event: ResponseStreamEvent,
552 ) -> Vec<Result<LanguageModelCompletionEvent, LanguageModelCompletionError>> {
553 let Some(choice) = event.choices.first() else {
554 return vec![Err(LanguageModelCompletionError::Other(anyhow!(
555 "Response contained no choices"
556 )))];
557 };
558
559 let mut events = Vec::new();
560 if let Some(content) = choice.delta.content.clone() {
561 events.push(Ok(LanguageModelCompletionEvent::Text(content)));
562 }
563
564 if let Some(tool_calls) = choice.delta.tool_calls.as_ref() {
565 for tool_call in tool_calls {
566 let entry = self.tool_calls_by_index.entry(tool_call.index).or_default();
567
568 if let Some(tool_id) = tool_call.id.clone() {
569 entry.id = tool_id;
570 }
571
572 if let Some(function) = tool_call.function.as_ref() {
573 if let Some(name) = function.name.clone() {
574 entry.name = name;
575 }
576
577 if let Some(arguments) = function.arguments.clone() {
578 entry.arguments.push_str(&arguments);
579 }
580 }
581 }
582 }
583
584 match choice.finish_reason.as_deref() {
585 Some("stop") => {
586 events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
587 }
588 Some("tool_calls") => {
589 events.extend(self.tool_calls_by_index.drain().map(|(_, tool_call)| {
590 match serde_json::Value::from_str(&tool_call.arguments) {
591 Ok(input) => Ok(LanguageModelCompletionEvent::ToolUse(
592 LanguageModelToolUse {
593 id: tool_call.id.clone().into(),
594 name: tool_call.name.as_str().into(),
595 is_input_complete: true,
596 input,
597 raw_input: tool_call.arguments.clone(),
598 },
599 )),
600 Err(error) => Err(LanguageModelCompletionError::BadInputJson {
601 id: tool_call.id.into(),
602 tool_name: tool_call.name.as_str().into(),
603 raw_input: tool_call.arguments.into(),
604 json_parse_error: error.to_string(),
605 }),
606 }
607 }));
608
609 events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::ToolUse)));
610 }
611 Some(stop_reason) => {
612 log::error!("Unexpected OpenAI stop_reason: {stop_reason:?}",);
613 events.push(Ok(LanguageModelCompletionEvent::Stop(StopReason::EndTurn)));
614 }
615 None => {}
616 }
617
618 events
619 }
620}
621
622#[derive(Default)]
623struct RawToolCall {
624 id: String,
625 name: String,
626 arguments: String,
627}
628
629pub fn count_open_router_tokens(
630 request: LanguageModelRequest,
631 _model: open_router::Model,
632 cx: &App,
633) -> BoxFuture<'static, Result<usize>> {
634 cx.background_spawn(async move {
635 let messages = request
636 .messages
637 .into_iter()
638 .map(|message| tiktoken_rs::ChatCompletionRequestMessage {
639 role: match message.role {
640 Role::User => "user".into(),
641 Role::Assistant => "assistant".into(),
642 Role::System => "system".into(),
643 },
644 content: Some(message.string_contents()),
645 name: None,
646 function_call: None,
647 })
648 .collect::<Vec<_>>();
649
650 tiktoken_rs::num_tokens_from_messages("gpt-4o", &messages)
651 })
652 .boxed()
653}
654
655struct ConfigurationView {
656 api_key_editor: Entity<Editor>,
657 state: gpui::Entity<State>,
658 load_credentials_task: Option<Task<()>>,
659}
660
661impl ConfigurationView {
662 fn new(state: gpui::Entity<State>, window: &mut Window, cx: &mut Context<Self>) -> Self {
663 let api_key_editor = cx.new(|cx| {
664 let mut editor = Editor::single_line(window, cx);
665 editor
666 .set_placeholder_text("sk_or_000000000000000000000000000000000000000000000000", cx);
667 editor
668 });
669
670 cx.observe(&state, |_, _, cx| {
671 cx.notify();
672 })
673 .detach();
674
675 let load_credentials_task = Some(cx.spawn_in(window, {
676 let state = state.clone();
677 async move |this, cx| {
678 if let Some(task) = state
679 .update(cx, |state, cx| state.authenticate(cx))
680 .log_err()
681 {
682 let _ = task.await;
683 }
684
685 this.update(cx, |this, cx| {
686 this.load_credentials_task = None;
687 cx.notify();
688 })
689 .log_err();
690 }
691 }));
692
693 Self {
694 api_key_editor,
695 state,
696 load_credentials_task,
697 }
698 }
699
700 fn save_api_key(&mut self, _: &menu::Confirm, window: &mut Window, cx: &mut Context<Self>) {
701 let api_key = self.api_key_editor.read(cx).text(cx);
702 if api_key.is_empty() {
703 return;
704 }
705
706 let state = self.state.clone();
707 cx.spawn_in(window, async move |_, cx| {
708 state
709 .update(cx, |state, cx| state.set_api_key(api_key, cx))?
710 .await
711 })
712 .detach_and_log_err(cx);
713
714 cx.notify();
715 }
716
717 fn reset_api_key(&mut self, window: &mut Window, cx: &mut Context<Self>) {
718 self.api_key_editor
719 .update(cx, |editor, cx| editor.set_text("", window, cx));
720
721 let state = self.state.clone();
722 cx.spawn_in(window, async move |_, cx| {
723 state.update(cx, |state, cx| state.reset_api_key(cx))?.await
724 })
725 .detach_and_log_err(cx);
726
727 cx.notify();
728 }
729
730 fn render_api_key_editor(&self, cx: &mut Context<Self>) -> impl IntoElement {
731 let settings = ThemeSettings::get_global(cx);
732 let text_style = TextStyle {
733 color: cx.theme().colors().text,
734 font_family: settings.ui_font.family.clone(),
735 font_features: settings.ui_font.features.clone(),
736 font_fallbacks: settings.ui_font.fallbacks.clone(),
737 font_size: rems(0.875).into(),
738 font_weight: settings.ui_font.weight,
739 font_style: FontStyle::Normal,
740 line_height: relative(1.3),
741 white_space: WhiteSpace::Normal,
742 ..Default::default()
743 };
744 EditorElement::new(
745 &self.api_key_editor,
746 EditorStyle {
747 background: cx.theme().colors().editor_background,
748 local_player: cx.theme().players().local(),
749 text: text_style,
750 ..Default::default()
751 },
752 )
753 }
754
755 fn should_render_editor(&self, cx: &mut Context<Self>) -> bool {
756 !self.state.read(cx).is_authenticated()
757 }
758}
759
760impl Render for ConfigurationView {
761 fn render(&mut self, _: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
762 let env_var_set = self.state.read(cx).api_key_from_env;
763
764 if self.load_credentials_task.is_some() {
765 div().child(Label::new("Loading credentials...")).into_any()
766 } else if self.should_render_editor(cx) {
767 v_flex()
768 .size_full()
769 .on_action(cx.listener(Self::save_api_key))
770 .child(Label::new("To use Zed's assistant with OpenRouter, you need to add an API key. Follow these steps:"))
771 .child(
772 List::new()
773 .child(InstructionListItem::new(
774 "Create an API key by visiting",
775 Some("OpenRouter's console"),
776 Some("https://openrouter.ai/keys"),
777 ))
778 .child(InstructionListItem::text_only(
779 "Ensure your OpenRouter account has credits",
780 ))
781 .child(InstructionListItem::text_only(
782 "Paste your API key below and hit enter to start using the assistant",
783 )),
784 )
785 .child(
786 h_flex()
787 .w_full()
788 .my_2()
789 .px_2()
790 .py_1()
791 .bg(cx.theme().colors().editor_background)
792 .border_1()
793 .border_color(cx.theme().colors().border)
794 .rounded_sm()
795 .child(self.render_api_key_editor(cx)),
796 )
797 .child(
798 Label::new(
799 format!("You can also assign the {OPENROUTER_API_KEY_VAR} environment variable and restart Zed."),
800 )
801 .size(LabelSize::Small).color(Color::Muted),
802 )
803 .into_any()
804 } else {
805 h_flex()
806 .mt_1()
807 .p_1()
808 .justify_between()
809 .rounded_md()
810 .border_1()
811 .border_color(cx.theme().colors().border)
812 .bg(cx.theme().colors().background)
813 .child(
814 h_flex()
815 .gap_1()
816 .child(Icon::new(IconName::Check).color(Color::Success))
817 .child(Label::new(if env_var_set {
818 format!("API key set in {OPENROUTER_API_KEY_VAR} environment variable.")
819 } else {
820 "API key configured.".to_string()
821 })),
822 )
823 .child(
824 Button::new("reset-key", "Reset Key")
825 .label_size(LabelSize::Small)
826 .icon(Some(IconName::Trash))
827 .icon_size(IconSize::Small)
828 .icon_position(IconPosition::Start)
829 .disabled(env_var_set)
830 .when(env_var_set, |this| {
831 this.tooltip(Tooltip::text(format!("To reset your API key, unset the {OPENROUTER_API_KEY_VAR} environment variable.")))
832 })
833 .on_click(cx.listener(|this, _, window, cx| this.reset_api_key(window, cx))),
834 )
835 .into_any()
836 }
837 }
838}